Home / 456,246.36-629,624.06-252,311

Finding the Fourth Proportional to 456,246.36, 629,624.06 and 252,311

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Solution

The fourth proportional to 456,246.36, 629,624.06 and 252,311 is: 348,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,246.36 : 629,624.06 = 252,311 : x
  2. Step 2: Convert to fraction form
    456,246.36/629,624.06 = 252,311/x
  3. Step 3: Cross multiply
    456,246.36x = 629,624.06 × 252,311
  4. Step 4: Simplify right side
    456,246.36x = 158,861,076,202.66
  5. Step 5: Solve for x
    x = 158,861,076,202.66/456,246.36
  6. Step 6: Final answer
    x = 348,191.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.